It started with PwC, but now accusations are being levelled at the other big consultancy firms in Australia. Over the last 10 years, more and more government decision-making has been outsourced to multi-billion dollar firms in lucrative contracts.  Now, the firms’ relationships with government and their level of influence are under close scrutiny in Canberra.  Today, chief political correspondent for The Saturday Paper Karen Middleton on the big four consultancies – and why one contract between Deloitte and the Home Affairs department had to be terminated. Socials: Stay in touch with us on Twitter and Instagram Guest: Chief political correspondent for The Saturday Paper, Karen Middleton